Clear in seconds
Every screen should explain itself at a glance, without tutorials or unnecessary steps.
Independent app studio
Small apps that make everyday life a little brighter.
Sun Developer designs and builds focused mobile apps for travelers, families, learners, and puzzle lovers. Simple to use, fast to load, and respectful of your privacy.
10Apps released
iOS & AndroidPlus macOS
IndependentDesigned & built in-house
Available now on the App Store, Google Play and the Mac
The portfolio
See all apps
Apps people keep coming back to
How we build
Three rules behind every app
Each product starts from one real problem and stays small enough to solve it well.
Fast by default
Speed is part of the design. Apps open quickly and stay light on battery and storage.
Private by design
We collect as little data as possible and explain clearly what each app does with it.
Have an idea or a question?
Feedback, partnerships, or support for any of our apps. We read every message.